Home / 205,634.22-308,353.20-120,269.16

Finding the Fourth Proportional to 205,634.22, 308,353.20 and 120,269.16

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Solution

The fourth proportional to 205,634.22, 308,353.20 and 120,269.16 is: 180,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,634.22 : 308,353.20 = 120,269.16 : x
  2. Step 2: Convert to fraction form
    205,634.22/308,353.20 = 120,269.16/x
  3. Step 3: Cross multiply
    205,634.22x = 308,353.20 × 120,269.16
  4. Step 4: Simplify right side
    205,634.22x = 37,085,380,347.31
  5. Step 5: Solve for x
    x = 37,085,380,347.31/205,634.22
  6. Step 6: Final answer
    x = 180,346.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.